1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * Glenn Fowler 25 * AT&T Research 26 * 27 * sfio tmp string buffer support 28 */ 29 30#include <sfio_t.h> 31#include <ast.h> 32 33#if __OBSOLETE__ >= 20070101 /* sfstr* macros now use sfsetbuf() */ 34 35NoN(sfstrtmp) 36 37#else 38 39#if defined(__EXPORT__) 40#define extern __EXPORT__ 41#endif 42 43/* 44 * replace buffer in string stream f for either SF_READ or SF_WRITE 45 */ 46 47extern int 48sfstrtmp(register Sfio_t* f, int mode, void* buf, size_t siz) 49{ 50 if (!(f->_flags & SF_STRING)) 51 return -1; 52 if (f->_flags & SF_MALLOC) 53 free(f->_data); 54 f->_flags &= ~(SF_ERROR|SF_MALLOC); 55 f->mode = mode; 56 f->_next = f->_data = (unsigned char*)buf; 57 f->_endw = f->_endr = f->_endb = f->_data + siz; 58 f->_size = siz; 59 return 0; 60} 61 62#endif 63